Rareform Metals

Rareform Metals is an advanced metals company redefining how critical metals are made and supplied. The company develops technology for rapid scale-up of critical metals production, enabling dependable supply anywhere on the globe. By designing new processes in metal alloys and related systems, Rareform Metals focuses on metalmaking technology that can support organizations needing scalable, reliable access to essential metals.

Founded in 2025 by Zach Detweiler and Dan Bullard, Rareform Metals is led by a PhD materials chemist and a PhD metallurgist and entrepreneur with decades of experience in metal alloys, heterogeneous catalysis, additive manufacturing, and metals-focused startups. Their background shapes a methodical approach to inventing and deploying new metalmaking processes for critical metals, built to align industrial-scale production with the realities of modern supply chains.